<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
    "use strict";
    // a = 1234;
    // console.log(a)
    function getUser(){
        console.log(this)
    }
    getUser();

    // let obj = {
    //     name:"张三",
    //     name:"李四"
    // }
    // console.log(obj)
</script>
</html>